In synonymy:
Thianella Schenkel, 1963 = Tasa Wesołowska, 1981 (Wesołowska, 1981b: 157, preoccupied, replacement name)
Homonym replaced:
Thianella Schenkel, 1963 -- see Tasa Wesołowska, 1981
In synonymy:
Tasa nipponica Bohdanowicz & Prószyński, 1987 = Tasa koreana Wesołowska, 1981 (Jin et al., 2022: 3, confirming Suguro & Yahata, 2014: 94, rejecting Prószyński, 2016: 4)